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Xiong X, Wang J, Hao Z, Fan X, Jiang N, Qian X, Hong R, Dai Y, Hu C. MRI-based bone marrow radiomics for predicting cytogenetic abnormalities in multiple myeloma. Clin Radiol 2024; 79:e491-e499. [PMID: 38238146 DOI: 10.1016/j.crad.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/27/2023] [Accepted: 12/14/2023] [Indexed: 03/09/2024]
Abstract
AIM To develop a radiomics signature applied to magnetic resonance imaging (MRI)-images to predict cytogenetic abnormalities in multiple myeloma (MM). MATERIALS AND METHODS Patients with newly diagnosed MM were enrolled retrospectively from March 2019 to September 2022. They were categorised into the high-risk cytogenetics (HRC) group and standard-risk cytogenetics (SRC) group. The patients were allocated randomly at a ratio of 7:3 into training and validation cohorts. Volumes of interest (VOI) was drawn manually on fat suppression T2-weighted imaging (FS-T2WI) and copied to the same location of the T1-weighted imaging (T1WI) sequence. Radiomics features were extracted from two sequences and selected by reproducibility and redundant analysis. The least absolute shrinkage selection operation (LASSO) algorithm was applied to build the radiomics signatures. The performance of the radiomics signatures to distinguish HRC with SRC was evaluated by ROC curves. The area under the curve (AUC), specificity, and sensitivity were also calculated. RESULTS A total of 105 MM patients were enrolled in this study. The four and 11 most significant and relevant features were selected separately from T1WI and FS-T2WI sequences to build the radiomics signatures based on the training cohort. Compared to the T1WI sequence, the radiomics signature based on the FS-T2WI sequence achieved better performance with AUCs of 0.896 and 0.729 in the training and validation cohorts respectively. A sensitivity of 0.833, specificity of 0.667, and Youden index of 0.500 were achieved for the FS-T2WI radiomics signature in the validation cohort. CONCLUSIONS The radiomics signature based on MRI provides a non-invasive and convenient tool to predict cytogenetic abnormalities in MM patients.
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Affiliation(s)
- X Xiong
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China
| | - J Wang
- Department of Radiology, Northern Jiangsu People's Hospital, Yangzhou 225001, China
| | - Z Hao
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China
| | - X Fan
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China
| | - N Jiang
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China
| | - X Qian
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science, Suzhou, 215163, China
| | - R Hong
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China
| | - Y Dai
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Science, Suzhou, 215163, China.
| | - C Hu
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, Jiangsu, China.
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Guguchia Z, Gawryluk DJ, Shin S, Hao Z, Mielke Iii C, Das D, Plokhikh I, Liborio L, Shenton JK, Hu Y, Sazgari V, Medarde M, Deng H, Cai Y, Chen C, Jiang Y, Amato A, Shi M, Hasan MZ, Yin JX, Khasanov R, Pomjakushina E, Luetkens H. Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV 6Sn 6. Nat Commun 2023; 14:7796. [PMID: 38016982 PMCID: PMC10684576 DOI: 10.1038/s41467-023-43503-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 11/10/2023] [Indexed: 11/30/2023] Open
Abstract
Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV6Sn6 does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV3Sb5 (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.
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Affiliation(s)
- Z Guguchia
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland.
| | - D J Gawryluk
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, 5232, Villigen PSI, Switzerland.
| | - S Shin
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, 5232, Villigen PSI, Switzerland
| | - Z Hao
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - C Mielke Iii
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
- Physik-Institut, Universität Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - D Das
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
| | - I Plokhikh
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, 5232, Villigen PSI, Switzerland
| | - L Liborio
- Scientific Computing Department, Science & Technology Facilities Council, Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
| | - J Kane Shenton
- Scientific Computing Department, Science & Technology Facilities Council, Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
| | - Y Hu
- Photon Science Division, Paul Scherrer Institut, CH-5232, Villigen PSI, Switzerland
| | - V Sazgari
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
| | - M Medarde
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, CH-5232, Villigen PSI, Switzerland
| | - H Deng
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Y Cai
- Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - C Chen
- Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Y Jiang
- Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ, 08544, USA
| | - A Amato
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
| | - M Shi
- Photon Science Division, Paul Scherrer Institut, CH-5232, Villigen PSI, Switzerland
| | - M Z Hasan
- Laboratory for Topological Quantum Matter and Advanced Spectroscopy (B7), Department of Physics, Princeton University, Princeton, NJ, 08544, USA
- Princeton Institute for the Science and Technology of Materials, Princeton University, Princeton, NJ, 08540, USA
- Quantum Science Center, Oak Ridge, TN, 37831, USA
| | - J-X Yin
- Department of Physics, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - R Khasanov
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
| | - E Pomjakushina
- Laboratory for Multiscale Materials Experiments, Paul Scherrer Institut, 5232, Villigen PSI, Switzerland
| | - H Luetkens
- Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, CH-5232, Villigen PSI, Switzerland
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3
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Hao Z, Chen Y, Feng S, Liao Z, An N, Li P. The 2022 Sichuan-Chongqing spatio-temporally compound extremes: a bitter taste of novel hazards. Sci Bull (Beijing) 2023; 68:1337-1339. [PMID: 37330394 DOI: 10.1016/j.scib.2023.05.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Affiliation(s)
- Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Yang Chen
- State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China; Technical Support Unit, Working Group-I, Intergovernmental Panel on Climate Change, Université Paris Saclay, Paris 91190, France.
| | - Sifang Feng
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Zhen Liao
- State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China
| | - Ning An
- State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China
| | - Puxi Li
- State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China
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4
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Hao Z. 132TiP Boosting immune response with copanlisib in locally advanced unresectable non-small cell lung cancer starting durvalumab consolidation: A phase Ib study. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00387-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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5
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Veedu JS, Hao Z, Chen Q, Huang B, Shah-Jadeja M. 117P Survival outcomes of surgery-based treatment or definitive chemoradiation with immunotherapy consolidation in stage IIIA NSCLC in the immune therapy era: An NCDB analysis. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00372-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Zhang X, Hao Z, Singh VP, Zhang Y, Feng S, Xu Y, Hao F. Drought propagation under global warming: Characteristics, approaches, processes, and controlling factors. Sci Total Environ 2022; 838:156021. [PMID: 35588839 DOI: 10.1016/j.scitotenv.2022.156021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/03/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Drought is a costly natural hazard with far-reaching impacts on agriculture, ecosystem, water supply, and socio-economy. While propagating through the water cycle, drought evolves into different types and affects the natural system and human society. Despite much progress made in recent decades, a synthesis of the characteristics, approaches, processes, and controlling factors of drought propagation is still lacking. We bridge this gap by reviewing the recent progress of drought propagation and discussing challenges and future directions. We first introduce drought propagation characteristics (e.g., response time scale, lag time), followed by different approaches, including statistical analysis and hydrological modeling. The recent progress in the propagation from meteorological drought to different types of drought (agricultural drought, hydrological drought, and ecological drought) is then synthesized, including the basic process, commonly used indicators, data sources, and main findings of drought propagation characteristics. Different controlling factors of drought propagations, including climate (e.g., aridity, seasonality, and anomalies of meteorological variables), catchment properties (e.g., slope, elevation, land cover, aquifer, baseflow), and human activities (e.g., reservoir operation and water diversion, irrigation, and groundwater abstraction), are then summarized. Challenges in drought propagation include the discrepancy in drought indicators (and approaches) and difficulty in characterizing the full propagation process and isolating influencing factors. Future analysis of drought propagation should shift from single indicators to multiple indicators, from individual drivers to combined drivers, from uni-directional analysis to feedbacks, from hazards to impacts, and from stationary to nonstationary assumptions. This review is expected to be useful for drought prediction and management across different regions under global warming.
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Affiliation(s)
- Xuan Zhang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China.
| | - Vijay P Singh
- Department of Biological and Agricultural Engineering and Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX 77843-2117, USA
| | - Yu Zhang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Sifang Feng
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Yang Xu
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Fanghua Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
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7
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Yu H, Zhang L, Cai Y, Hao Z, Luo Z, Peng T, Liu L, Wang N, Wang G, Deng Z, Zhan Y. Seroprevalence of antibodies to classical swine fever virus and porcine reproductive and respiratory syndrome virus in healthy pigs in Hunan Province, China. Pol J Vet Sci 2022; 25:375-381. [PMID: 36155561 DOI: 10.24425/pjvs.2022.142020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Classical swine fever (CSF) and porcine reproductive and respiratory syndrome (PRRS) are responsible for major economic losses and represent a threat to the swine industry worldwide. Routine surveillance serology for CSF and PRRS viruses is critical to maintaining the health status of sow farms in Hunan Province, which is one of the top pig production provinces in China. The aim of our study was to investigate the serological statistics of CSF virus (CSFV) and PRRS virus (PRRSV) in Hunan Province. The cohort serum samples were collected from vaccinated and unvaccinated pigs. Our findings showed that the average rates of CSFV and PRRSV antibody seropositivity were 82.2% (95% CI: 80.1-84.3) and 84.8% (95% CI: 82.5-87.1), respectively, in the immunized group and that these rates were higher than those in the unvaccinated group (58.6% for CSFV and 47.8% for PRRSV). Additionally, the level of CSFV antibody in piglet serum declined gradually with age, whereas PRRSV-specific antibody level increased initially (1 to 2 weeks old) and then declined with age (2 to 4 weeks old). In summary, we investigated the difference in CSFV/PRRSV antibody levels among piglets at various weeks old (1 to 4 weeks) to further establish the duration of maternal immunity in piglets. In addition, routine monitoring of CSFV/PRRSV antibodies in immunized pigs was carried out to evaluate the efficacy of vaccination.
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Affiliation(s)
- H Yu
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - L Zhang
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Y Cai
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Z Hao
- Yongzhou Animal Husbandry and Aquatic Affairs Center, Yongzhou, Hunan 425000, China
| | - Z Luo
- Dingcheng Animal Husbandry and Aquatic Affairs Center, Changde, Hunan 415100, China
| | - T Peng
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - L Liu
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - N Wang
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - G Wang
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Z Deng
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Y Zhan
- Provincial Key Laboratory of Protein Engineering in Animal Vaccines, Research Center of Reverse Vaccinology (RCRV), and Laboratory of Functional Proteomics (LFP), College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan 410128, China
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8
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Xu Y, Zhang X, Hao Z, Hao F, Li C. Systematic assessment of the development and recovery characteristics of hydrological drought in a semi-arid area. Sci Total Environ 2022; 836:155472. [PMID: 35472359 DOI: 10.1016/j.scitotenv.2022.155472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/26/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
Studies have documented the significant effect of various factors on hydrological drought events. However, few studies have quantified drought's development and recovery process under environmental changes. This study focused on identifying hydrological drought's development and recovery characteristics and their potential causes in a typical semi-arid area. The Standardized Streamflow Index (SSI) was used as a metric for hydrological droughts, while the run theory was applied to identify the development and recovery processes of droughts. Changes in observed (human disturbed scenario) and simulated (natural scenario) droughts by employing the SWAT (Soil and Water Assessment Tool) model were also investigated from 1970 to 2016. The "simulated-observed" approach was used to assess the impacts of human regulations on hydrological drought development and recovery characteristics. Results showed that hydrological droughts occurred mainly during 1980-1990 and 2000-2016. In the natural condition, drought duration and intensity were higher, while lower severity in the drought recovery stage than development stage was observed. The drainage characteristics of the basin played the most critical role in the development and recovery characteristics of drought, which were also influenced by climatic conditions. Human activities had exacerbated recent natural hydrological drought. When considering the contribution of human activities, the reservoir operation was the dominant anthropic factor affected the development and recovery process of drought in the study area. Under the effects of reservoir regulation, long-duration hydrological droughts became rare. Moreover, the recovery ability of drought had been weakened. The effects of the reservoir were progressively crucial gradually. Although the water got from the river by the reservoir had been reduced, the negative impact on aggravating drought remains stronger than the reservoir was initially constructed. The results of our study will help improve the optimal management of reservoirs in semi-arid areas and enhance drought early warning and forecasting system.
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Affiliation(s)
- Yang Xu
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Xuan Zhang
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, China.
| | - Zengchao Hao
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Fanghua Hao
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Chong Li
- Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, College of Water Sciences, Beijing Normal University, Beijing 100875, China
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Abstract
Owing to amplified impacts on human society and ecosystems, compound events (or extremes) have attracted ample attention in recent decades. China is particularly vulnerable to compound events due to the fast warming rate, dense populations, and fragile ecological environment. Recent studies have demonstrated tangible effects of climate change on compound events with mounting impacts on the economy, agriculture, public health, and infrastructure in China, posing unprecedented threats that are increasingly difficult to manage. Here, I synthesize recent progress in studies of compound events and associated impacts in China. Several lines of evidence indicate an increase in the frequency and intensity of multiple types of compound events across China. Future directions in studying compound events in China are suggested, including investigating extremes from a compound perspective, modeling compound events in the Anthropocene, quantitative evaluations of risks, and holistic adaptation measures of compound events.
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Affiliation(s)
- Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
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Lei C, Lin S, Zhang C, Tao W, Dong W, Hao Z, Liu M, Wu B. Corrigendum to "Effects of High-mobility Group Box1 on Cerebral Angiogenesis and Neurogenesis After Intracerebral Hemorrhage" [Neuroscience 229 (2013) 12-19]. Neuroscience 2022; 481:240-241. [PMID: 34930636 DOI: 10.1016/j.neuroscience.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- C Lei
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - S Lin
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - C Zhang
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - W Tao
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - W Dong
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - Z Hao
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China
| | - M Liu
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China; Key Laboratory of Human Disease Biotherapy of the State and Ministry of Education, West China Hospital, Sichuan University, 610041 Chengdu, PR China.
| | - B Wu
- Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, 610041 Chengdu, PR China; Key Laboratory of Human Disease Biotherapy of the State and Ministry of Education, West China Hospital, Sichuan University, 610041 Chengdu, PR China.
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11
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Chen S, Fu YH, Geng X, Hao Z, Tang J, Zhang X, Xu Z, Hao F. Influences of Shifted Vegetation Phenology on Runoff Across a Hydroclimatic Gradient. Front Plant Sci 2022; 12:802664. [PMID: 35058961 PMCID: PMC8764410 DOI: 10.3389/fpls.2021.802664] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
Climate warming has changed vegetation phenology, and the phenology-associated impacts on terrestrial water fluxes remain largely unquantified. The impacts are linked to plant adjustments and responses to climate change and can be different in different hydroclimatic regions. Based on remote sensing data and observed river runoff of hydrological station from six river basins across a hydroclimatic gradient from northeast to southwest in China, the relative contributions of the vegetation (including spring and autumn phenology, growing season length (GSL), and gross primary productivity) and climatic factors affecting the river runoffs over 1982-2015 were investigated by applying gray relational analysis (GRA). We found that the average GSLs in humid regions (190-241 days) were longer than that in semi-humid regions (186-192 days), and the average GSLs were consistently extended by 4.8-13.9 days in 1982-2015 period in six river basins. The extensions were mainly linked to the delayed autumn phenology in the humid regions and to advanced spring phenology in the semi-humid regions. Across all river basins, the GRA results showed that precipitation (r = 0.74) and soil moisture (r = 0.73) determine the river runoffs, and the vegetation factors (VFs) especially the vegetation phenology also affected the river runoffs (spring phenology: r = 0.66; GSL: r = 0.61; autumn phenology: r = 0.59), even larger than the contribution from temperature (r = 0.57), but its relative importance is climatic region-dependent. Interestingly, the spring phenology is the main VF in the humid region for runoffs reduction, while both spring and autumn growth phenology are the main VFs in the semi-humid region, because large autumn phenology delay and less water supply capacity in spring amplify the effect of advanced spring phenology. This article reveals diverse linkages between climatic and VFs, and runoff in different hydroclimatic regions, and provides insights that vegetation phenology influences the ecohydrology process largely depending on the local hydroclimatic conditions, which improve our understanding of terrestrial hydrological responses to climate change.
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Affiliation(s)
- Shouzhi Chen
- College of Water Sciences, Beijing Normal University, Beijing, China
| | - Yongshuo H. Fu
- College of Water Sciences, Beijing Normal University, Beijing, China
- Plants and Ecosystems, Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Xiaojun Geng
- College of Water Sciences, Beijing Normal University, Beijing, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing, China
| | - Jing Tang
- Department of Physical Geography and Ecosystem Science, Lund University, Lund, Sweden
- Terrestrial Ecology Section, Department of Biology, University of Copenhagen, Copenhagen, Denmark
- Center for Permafrost (CENPERM), University of Copenhagen, Copenhagen, Denmark
| | - Xuan Zhang
- College of Water Sciences, Beijing Normal University, Beijing, China
| | - Zongxue Xu
- College of Water Sciences, Beijing Normal University, Beijing, China
| | - Fanghua Hao
- College of Water Sciences, Beijing Normal University, Beijing, China
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Zhao Y, Shi Z, Hao Z, Zhou J, Han C, Li R, Lv Q, Liu Y, Liang C. Hypoxia-mediated down-regulation of miRNAs' biogenesis promotes tumor immune escape in bladder cancer. Clin Transl Oncol 2021; 23:1678-1687. [PMID: 33625672 DOI: 10.1007/s12094-021-02569-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 02/03/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND The study examines the function of hypoxia-mediated down-regulation of microRNAs (miRNAs) (mir-30c, mir-135a, and mir-27a) in the process of bladder cancer immune escape. METHODS Quantitative Real-time PCR (qRT-PCR) was carried out to determine gene expression levels of Drosha and Dicer under hypoxia treatment, while western blotting and flow cytometry were used to determine protein expression. Seven reported miRNAs were identified via qRT-PCR assay. Flow cytometry detection of CD3/CD4/CD8-positive expression and statistics. Enzyme-linked immunosorbent assay (ELISA) detected cellular immune factors content. Cell apoptosis was checked via flow cytometry assay. Luciferase report assay and western blot assays were both used to verify the relationship between miRNAs and Casitas B-lineage lymphoma proto-oncogene b (Cbl-b). The animal model was established and Hematoxylin-eosin (HE) staining, TdT-mediated dUTP Nick-End Labeling (TUNEL) staining, and immunohistochemistry (IHC) assays were separately used to verify the conclusions. RESULTS The CD3 + /CD4 + expression was increased in the hypoxia group, while CD3 + /CD8 + expression, the cellular immune factors content Interleukin-2 (IL-2) and Tumor Necrosis Factor-α (TNFα) along with the cell apoptosis were suppressed. The protein expression of Cbl-b was found to be up-regulated in the hypoxia group. After constructing the overexpression/ knockdown of Cbl-b in peripheral blood mononuclear cell (PBMC), Cbl-b has been found to promote tumor immune escape in bladder cancer. Furthermore, Cbl-b had been identified as the co-targets of mir-30c, mir-135a, and mir-27a and down-regulation of miRNA biogenesis promotes Cbl-b expression and deactivating T cells in vitro/in vivo. CONCLUSION Hypoxia-mediated down-regulation of miRNAs' biogenesis promotes tumor immune escape in bladder cancer, which could bring much more advance to the medical research on tumors.
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Affiliation(s)
- Y Zhao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230000, China
- Institute of Urology, Anhui Medical University, Hefei, 230000, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, 230000, China
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - Z Shi
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - Z Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230000, China
- Institute of Urology, Anhui Medical University, Hefei, 230000, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, 230000, China
| | - J Zhou
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230000, China
- Institute of Urology, Anhui Medical University, Hefei, 230000, China
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, 230000, China
| | - C Han
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - R Li
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - Q Lv
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - Y Liu
- Xuzhou Central Hospital, Xuzhou, 221009, China
- Xuzhou Medical College, Xuzhou Medical University, Xuzhou, 221004, China
| | - C Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, No.218 Jixi Road, Hefei, 230000, China.
- Institute of Urology, Anhui Medical University, Hefei, 230000, China.
- Anhui Province Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, 230000, China.
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13
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Zhu M, Cui S, Hao Z, Wang W, Yang Q, Chen C, Wang J, Zhou Q. [Curcumin induces human lens epithelial cell apoptosis and cell cycle arrest by inhibiting Wnt/β-catenin signaling pathway]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:722-728. [PMID: 34134960 DOI: 10.12122/j.issn.1673-4254.2021.05.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate the effect of curcumin on cell cycle and apoptosis of human lens epithelial cells and the possible molecular mechanism. OBJECTIVE Cultured human lens epithelial cell line HLEC-SRA01/04 was treated with 20, 40 and 60 μmol/L curcumin for 24 or 48 h. The cell proliferation inhibition rate was determined using MTT assay, and the changes in cell cycle, mitochondrial membrane potential and apoptosis rate were analyzed with flow cytometry. Western blotting was used to detect the expression levels of caspase-9, caspase-3, Bcl-2, Bax, cyclin B1, CDK1, β-catenin, c-myc, and cyclin D1 in the cells. OBJECTIVE Curcumin concentration- and time-dependently inhibited the proliferation of in HLEC-SRA01/04 cells as compared with the control cells (P < .05). Flow cytometric analysis showed that curcumin significantly increased apoptosis rate and cell percentage in G2/M phase and lowered mitochondrial membrane potential of HLEC-SRA01/04 cells in a concentrationdependent manner (P < 0.05). The results of Western blotting showed that curcumin also concentration-dependently increased the cellular expressions of caspase-3, caspase-9 and Bax and lowered the expressions of Bcl-2, cyclin B1, CDK1 and β-catenin along with the downstream proteins cyclin D1 and c-myc in the Wnt/β-catenin signaling pathway (P < 0.05). OBJECTIVE Curcumin inhibits the proliferation of HLEC-SRA01/04 cells possibly by inhibiting the Wnt/β-catenin signaling pathway and causing cell cycle arrest to induce cell apoptosis.
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Affiliation(s)
- M Zhu
- Department of Ophthalmology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China.,Anhui Provincial Key Laboratory of Translational Cancer Research, Bengbu 233030, China
| | - S Cui
- Department of Ophthalmology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China.,Anhui Provincial Key Laboratory of Translational Cancer Research, Bengbu 233030, China
| | - Z Hao
- Department of Ophthalmology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - W Wang
- Anhui Provincial Key Laboratory of Translational Cancer Research, Bengbu 233030, China
| | - Q Yang
- Anhui Provincial Key Laboratory of Translational Cancer Research, Bengbu 233030, China
| | - C Chen
- Anhui Provincial Key Laboratory of Translational Cancer Research, Bengbu 233030, China
| | - J Wang
- Department of Ophthalmology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
| | - Q Zhou
- Department of Ophthalmology, First Affiliated Hospital of Bengbu Medical College, Bengbu 233004, China
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14
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Qian B, Hao Z, Wang J, Zou X, Zhang G. CD4+, CD8+ T lymphocytes is related to OPN, THP expression in the kidney during the formation of kidney stones caused by nanobacteria. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)00611-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Kong Y, Chen H, Xiong J, Hao Z. Infection with Mycobacterium immunogenum after an injection lipolysis procedure. Br J Dermatol 2021; 185:e68. [PMID: 33997956 DOI: 10.1111/bjd.20392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/21/2021] [Accepted: 02/25/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Y Kong
- Department of, Pathology, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital of Skin Diseases and Institute of Dermatology, Nanjing, Jiangsu, China
| | - H Chen
- Department of, Pathology, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital of Skin Diseases and Institute of Dermatology, Nanjing, Jiangsu, China
| | - J Xiong
- Department of, Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital of Skin Diseases and Institute of Dermatology, Nanjing, Jiangsu, China
| | - Z Hao
- Department of, Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College Hospital of Skin Diseases and Institute of Dermatology, Nanjing, Jiangsu, China
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16
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FAN L, Mao H, Yagui Q, Wei S, Jianbo L, Hao Z, Yunhua L, Fei X, Xinzhou Z, Ping F, Yonggui W, Li H, Jie D, Xuemei L, Xueqing Y. SAT-269 SINGLE OR DUAL USE RENIN-ANGIOTENSIN SYSTEM INHIBITORS ON RESIDUAL RENAL FUNCTION IN PATIENTS RECEIVING CONTINUOUS AMBULATORY PERITONEAL DIALYSIS. Kidney Int Rep 2020. [DOI: 10.1016/j.ekir.2020.02.286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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17
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Feng S, Hao Z. Quantifying likelihoods of extreme occurrences causing maize yield reduction at the global scale. Sci Total Environ 2020; 704:135250. [PMID: 31818572 DOI: 10.1016/j.scitotenv.2019.135250] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 10/21/2019] [Accepted: 10/27/2019] [Indexed: 06/10/2023]
Abstract
A variety of weather and climate extremes (e.g., droughts, heatwaves) can lead to negative impacts on crop yields and food security. It is thus important to understand likelihoods of extreme occurrences causing crop yield reduction for enhanced resilience of the food system. Here, we investigate the likelihood of occurrences of dry, hot, and compound dry-hot conditions causing crop yield reduction for ten maize-producing countries based on climate observations and country-level maize yields for the period 1961-2016. The likelihood of occurrences of different extremes causing maize yield reduction is quantified using a multivariate statistical model. Results show that the multivariate model performs well in quantifying the likelihood of extreme occurrences (i.e., dry, hot and compound dry-hot conditions) causing maize yield reduction. Overall, the likelihood of occurrences of the above three conditions leading to yield reduction varies among ten maize-producing countries and that of compound dry-hot condition is the highest for most countries, which is shown to be closely related to the precipitation-temperature dependence of each country. Moreover, the likelihood of compound dry-hot occurrences becomes higher as the severity of crop yield reduction increases. These findings highlight significant impacts of compound dry-hot conditions on maize yield reduction and provide valuable information for formulating effective agricultural measures under global warming.
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Affiliation(s)
- Sifang Feng
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China.
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18
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Feng S, Hao Z, Zhang X, Hao F. Probabilistic evaluation of the impact of compound dry-hot events on global maize yields. Sci Total Environ 2019; 689:1228-1234. [PMID: 31466161 DOI: 10.1016/j.scitotenv.2019.06.373] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 06/21/2019] [Accepted: 06/23/2019] [Indexed: 06/10/2023]
Abstract
Weather and climate extremes, such as droughts and hot extremes, may result in marked damages to crop yields and threaten regional and global food security. Understanding the relationship between climate extremes and crop yields is of critical importance for food security under a changing climate. The objective of this study is to investigate the probabilistic variability of maize yields with respect to compound dry-hot events, which has been shown to be more stressful to crops compared with individual dry or hot events. A multivariate model is first constructed to model the joint behavior of the dry condition, hot condition, and crop yields. The response of crop yields under different dry, hot, and compound dry-hot conditions at national and global scales is then investigated based on the conditional distribution. For the major maize producing countries (top 5), the probability of maize yield reduction could increase by from 0.07 to 0.31 (from 0.04 to 0.31) when the individual extreme drought (extreme hot) conditions changed to compound dry-hot conditions. The probabilistic evaluation of compound dry-hot events' impacts on maize yields is expected to provide useful insights for the mitigation of compound events and their impacts under a changing climate.
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Affiliation(s)
- Sifang Feng
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China.
| | - Xuan Zhang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Fanghua Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
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19
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Wu X, Hao Z, Hao F, Zhang X. Variations of compound precipitation and temperature extremes in China during 1961-2014. Sci Total Environ 2019; 663:731-737. [PMID: 30738255 DOI: 10.1016/j.scitotenv.2019.01.366] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/22/2019] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
Concurrent precipitation and temperature extremes usually have significant impacts on the society, economy and ecosystem. Changes in precipitation or temperature extremes in China have been extensively studied; however, less attention has been paid to their concurrence (or compound extremes) to date. This study explores the historical variations of compound extremes including dry/warm, dry/cold, wet/warm, and wet/cold combinations based on monthly precipitation and temperature observations during summer and winter from 1961 to 2014 over China. Results show that there is a significant increase in the frequency of compound dry/warm and wet/warm extremes while a decrease in compound dry/cold and wet/cold extremes for the period 1988-2014 relative to 1961-1987. In addition, statistically significant increase in the spatial extent exists in compound dry/warm and wet/warm extremes, while the areas affected by the compound dry/cold and wet/cold extremes present a decrease across China, which is shown to be partly related to the large-scale circulation patterns. The results of this study could improve our understanding of changes of compound precipitation and temperature extremes from a multivariate perspective.
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Affiliation(s)
- Xinying Wu
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China.
| | - Fanghua Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Xuan Zhang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
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20
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Ouyang W, Xu Y, Cao J, Gao X, Gao B, Hao Z, Lin C. Rainwater characteristics and interaction with atmospheric particle matter transportation analyzed by remote sensing around Beijing. Sci Total Environ 2019; 651:532-540. [PMID: 30243172 DOI: 10.1016/j.scitotenv.2018.09.120] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/23/2018] [Accepted: 09/09/2018] [Indexed: 06/08/2023]
Abstract
Air pollution in Beijing has attracted much more attentions, and multiple regulations have been enacted since 2013. Based on the close link between the atmospheric particle matter concentration and the deposited load in rainwater, 336 rainwater samplings with seven parameters (pH, NH4+-N, NO3--N, P, S, Cu and Cd) at five-minute intervals in 2013 and 2014 were compared. The field monitoring and the temporal patterns analysis revealed a positive development of air quality. The lesser composition of coal in the energy consumption and the effective control of traffic emission were found. The average Aerosol Optical Depth (AOD) value around the sampling point during the 7 sampling rainfall events in 2014 was 2.855, which was higher than that in 2013 (1.807). It reflected the washing effect of rain on atmospheric particulates and highlighted the urban non-point source pollution effected by atmospheric deposition. AOD was demonstrated to perform well in reflecting regional air quality. A trajectory analysis conducted by HYSPLIT model in conjunction with the spatial distribution of AOD in the Beijing-Tian-Hebei (BTH) region depicted paths of air pollutants from long-range transport. The dominant trace was to the south of region. Cities around BTH were provided with different emission-reducing targets. Both Inner Mongolia and Henan province were suggested to control agricultural emissions. Shanxi, Shandong and cities around Bohai Bay should supervise the energy consuming industries. Furthermore, NO3--N was introduced to be an indicator of effect of the regional joint prevention and control in the future.
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Affiliation(s)
- Wei Ouyang
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China.
| | - Yi Xu
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Jiaqi Cao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Xiang Gao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Bing Gao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Chunye Lin
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
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21
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Li M, Hao Z, Wanlong Z, Zhengkun W. Seasonal variations of adipose tissue in Tupaia belangeri (Mammalia: Scandentia: Tupaiidae). The European Zoological Journal 2019. [DOI: 10.1080/24750263.2019.1572798] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Affiliation(s)
- M. Li
- Key Laboratory of Adaptive Evolution and Ecological Conservation on Plants and Animals in Southwest Mountain Ecosystem of Yunnan Higher Education Institutes, School of Life Sciences, Yunnan Normal University, Kunming, People’s Republic of China
| | - Z. Hao
- Key Laboratory of Adaptive Evolution and Ecological Conservation on Plants and Animals in Southwest Mountain Ecosystem of Yunnan Higher Education Institutes, School of Life Sciences, Yunnan Normal University, Kunming, People’s Republic of China
| | - Z. Wanlong
- Key Laboratory of Adaptive Evolution and Ecological Conservation on Plants and Animals in Southwest Mountain Ecosystem of Yunnan Higher Education Institutes, School of Life Sciences, Yunnan Normal University, Kunming, People’s Republic of China
| | - W. Zhengkun
- Key Laboratory of Adaptive Evolution and Ecological Conservation on Plants and Animals in Southwest Mountain Ecosystem of Yunnan Higher Education Institutes, School of Life Sciences, Yunnan Normal University, Kunming, People’s Republic of China
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22
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Htoo J, Hao Z, Y L, Y C, Z Y, W S, Tao Z, Yan D, Zhang L, Tian W. WPSI-9 Dietary DL-methionine supplementation alleviates early liver injury of intra-uterine growth retarded suckling piglets. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.1125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J Htoo
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - Z Hao
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - L Y
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - C Y
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - Y Z
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - S W
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - Z Tao
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - D Yan
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - L Zhang
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
| | - W Tian
- Evonik Nutrition & Care GmbH, No.4, Rodenbacher Chaussee,63457, Hanau, Germany, Hanau-Wolfgang, Hessen, Germany
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23
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Hao Z. [Postoperative acute laryngeal spasm in 1 cases of thyroid cancer]. Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2018; 30:503-504. [PMID: 29871054 DOI: 10.13201/j.issn.1001-1781.2016.06.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Indexed: 11/12/2022]
Abstract
Thirty-eight years old male patient. Accepted the radical thyroidectomy for thyroid cancer in our department. When surgery was ended, laryngeal spasm occurred during pulling out the tracheal intubation, the quick check of calcium was 1.87 mmol/L, after intravenous injection the calcium gluconate the laryngeal spasm was relieved. After surgery, we gave calcium gluconate intravenously and oral Caltrate D, the patient did not appear the presence of numbness, convulsions and other symptoms. The fasting serum calcium was 2.28 mmol/L and the parathyroid hormone was 18 pg/ml before the patient discharge. In this case, we should be alert to the occurrence of low calcium and laryngeal spasm.
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Ouyang W, Gao B, Cheng H, Hao Z, Wu N. Exposure inequality assessment for PM 2.5 and the potential association with environmental health in Beijing. Sci Total Environ 2018; 635:769-778. [PMID: 29710600 DOI: 10.1016/j.scitotenv.2018.04.190] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 04/14/2018] [Accepted: 04/14/2018] [Indexed: 05/17/2023]
Abstract
Fine particulate matter (PM2.5) pollution exposure has an adverse impact on public health, and some vulnerable social groups suffer from unfair exposure. Few studies have been conducted to estimate and to compare the exposure and inequality of different residential demographics at multiple time scales. This study assessed the exposures level of age and education subgroups on the whole city and the exposure inequalities of these subgroups within a concentration interval area for PM2.5 pollution at multiple time scales in Beijing in 2015. The potential association of PM2.5 with cancer morbidity was also explored through spatial analysis. Comparing the model performance of the ordinary kriging (OK) interpolation method with that of the land use regression (LUR) model method, the OK method was applied to estimate the PM2.5 concentrations at 1 km resolution. The exposure and inequality assessments for PM2.5 pollution were conducted by calculating the population-weighted exposure level and the inequality index, respectively. The spatial correlation of PM2.5 with cancer morbidity was investigated by spatial autocorrelation and grey correlation degree analysis. Overall, for the highest 1-h concentration, older people (age ≥ 60) and residents with tertiary education were the most disproportionately exposed to PM2.5. For the higher PM2.5 concentration during the annual average, spring, autumn and winter periods, exposures to PM2.5 were disproportionately high for children (age ≤ 4) and residents with primary or secondary education. Moreover, exposures to PM2.5 were disproportionately low for the illiterate due to their geographical distribution characteristics. Additionally, the spatial distribution of cancer morbidity was similar to the spatial pattern of PM2.5, manifesting a potential spatial association between PM2.5 and cancer morbidity. These findings provide scientific support for air pollution exposure assessments and environmental epidemiology.
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Affiliation(s)
- Wei Ouyang
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
| | - Bing Gao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
| | - Hongguang Cheng
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China.
| | - Zengchao Hao
- College of Water Sciences, Beijing Normal University, Beijing 100875, PR China
| | - Ni Wu
- Beijing United Family Hospital, Beijing 100016, PR China
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Ouyang W, Yang W, Tysklind M, Xu Y, Lin C, Gao X, Hao Z. Using river sediments to analyze the driving force difference for non-point source pollution dynamics between two scales of watersheds. Water Res 2018; 139:311-320. [PMID: 29660620 DOI: 10.1016/j.watres.2018.04.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 03/01/2018] [Accepted: 04/07/2018] [Indexed: 06/08/2023]
Abstract
The formation and transportation processes of non-point source (NPS) pollution varied among the studied watersheds in the Northeastern China, so we hypothesized that the driving force behind NPS pollution followed the spatial scale effect. With a watershed outlet sedimentary flux analysis and a distributed NPS pollution loading model, we investigated the temporal dynamics of NPS and the differences in driving forces. Sediment core samples were collected from two adjacent watersheds, the smaller Abujiao watershed and the larger Naoli watershed. The natural climatic conditions, long-term variations in the distribution of land use, soil properties and tillage practices were the same in the two watersheds. The vertical distributions of total nitrogen, total phosphorus, Zn and As at 1-cm intervals in the section showed clear differences between the watersheds. There were higher concentrations of total nitrogen and total phosphorus in the larger watershed, but the heavy metals were more concentrated in the smaller watershed. Lead-210 (210Pb) analyses and the constant rate of supply model provided a dated sedimentary flux, which was correlated with the corresponding yearly loading of NPS total nitrogen and total phosphorus in the two watersheds. The total phosphorus showed a stable relationship in both watersheds with an R2 value that ranged from 0.503 to 0.682. A rose figure comparison also demonstrated that the pollutant flux in the sediment was very different in the two watersheds, which had similar territorial conditions and different hydrological patterns. Redundancy analysis further indicated that expanding paddy areas had a large impact on the sedimentary flux of nitrogen and phosphorus in the smaller watershed, but precipitation had a direct impact on NPS loading in the larger watershed. We concluded that the spatial scale effect affected the NPS pollution via the transport processes in the waterway, which was mainly influenced by branch length and drainage density.
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Affiliation(s)
- Wei Ouyang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China.
| | - Wanxin Yang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Mats Tysklind
- Environmental Chemistry, Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden
| | - Yixue Xu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Chunye Lin
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Xiang Gao
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Zengchao Hao
- College of Water Resource, Beijing Normal University, Beijing 100875, China
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Wang J, Hao Z, Wang H. Generation of Individual Whole-Brain Atlases With Resting-State fMRI Data Using Simultaneous Graph Computation and Parcellation. Front Hum Neurosci 2018; 12:166. [PMID: 29780309 PMCID: PMC5945868 DOI: 10.3389/fnhum.2018.00166] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 04/10/2018] [Indexed: 11/13/2022] Open
Abstract
The human brain can be characterized as functional networks. Therefore, it is important to subdivide the brain appropriately in order to construct reliable networks. Resting-state functional connectivity-based parcellation is a commonly used technique to fulfill this goal. Here we propose a novel individual subject-level parcellation approach based on whole-brain resting-state functional magnetic resonance imaging (fMRI) data. We first used a supervoxel method known as simple linear iterative clustering directly on resting-state fMRI time series to generate supervoxels, and then combined similar supervoxels to generate clusters using a clustering method known as graph-without-cut (GWC). The GWC approach incorporates spatial information and multiple features of the supervoxels by energy minimization, simultaneously yielding an optimal graph and brain parcellation. Meanwhile, it theoretically guarantees that the actual cluster number is exactly equal to the initialized cluster number. By comparing the results of the GWC approach and those of the random GWC approach, we demonstrated that GWC does not rely heavily on spatial structures, thus avoiding the challenges encountered in some previous whole-brain parcellation approaches. In addition, by comparing the GWC approach to two competing approaches, we showed that GWC achieved better parcellation performances in terms of different evaluation metrics. The proposed approach can be used to generate individualized brain atlases for applications related to cognition, development, aging, disease, personalized medicine, etc. The major source codes of this study have been made publicly available at https://github.com/yuzhounh/GWC.
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Affiliation(s)
- J Wang
- School of Mathematics and Big Data, Foshan University, Foshan, China.,Key Laboratory of Child Development and Learning Science of Ministry of Education, Research Center for Learning Science, Southeast University, Nanjing, China
| | - Z Hao
- School of Mathematics and Big Data, Foshan University, Foshan, China
| | - H Wang
- School of Mathematics and Big Data, Foshan University, Foshan, China
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Wei FJ, Shao HJ, Wu B, Zhang KZ, Luo DJ, Qin SH, Hao Z. Effect of Spin-Draw Rate and Stretching Ratio on Polypropylene Hollow Fiber Membrane Made by Melt-Spinning and Stretching Method. INT POLYM PROC 2018. [DOI: 10.3139/217.3303] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
A series of polypropylene hollow fiber membranes was fabricated by melt-spinning and stretching. The crystalline behavior and hard elasticity of precursor hollow fibers were studied by differential scanning calorimetry (DSC), elastic recovery and strain-stress curves. The structure and properties of membranes were investigated in detail by scanning electron microscopy (SEM), optical microscopy, pure water flux, and so on. The results showed that membranes with excellent structure and properties can be obtained at a spin-draw rate of 350 m/min and a stretching ratio of 200 %. The evolution of crystal structure was explored during the annealing and stretching processes by two-dimensional small-angle X-ray scattering (2D-SAXS). Shish-kebab structure was obtained during annealing for hollow fibers at a spin-draw rate of 350 m/min. The crystalline lamellae were destroyed and micropores were formed during the fabrication of membranes by stretching.
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Affiliation(s)
- F.-J. Wei
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
- College of Materials Science and Metallurgy , Guizhou University, Guiyang , PRC
| | - H.-J. Shao
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
| | - B. Wu
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
| | - K.-Z. Zhang
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
| | - D.-J. Luo
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
- College of Materials Science and Metallurgy , Guizhou University, Guiyang , PRC
| | - S.-H. Qin
- National Engineering Research Center for Compounding and Modification of Polymeric Materials , Guizhou University, Guiyang , PRC
| | - Z. Hao
- College of Materials Science and Metallurgy , Guizhou University, Guiyang , PRC
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Ouyang W, Wu Y, Hao Z, Zhang Q, Bu Q, Gao X. Combined impacts of land use and soil property changes on soil erosion in a mollisol area under long-term agricultural development. Sci Total Environ 2018; 613-614:798-809. [PMID: 28950672 DOI: 10.1016/j.scitotenv.2017.09.173] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/17/2017] [Accepted: 09/17/2017] [Indexed: 06/07/2023]
Abstract
Soil erosion exhibits special characteristics in the process of agricultural development. Understanding the combined impacts of land use and soil property changes on soil erosion, especially in the area under long-term agricultural cultivations, is vital to watershed agricultural and soil management. This study investigated the temporal-spatial patterns of the soil erosion based on a modified version of Universal Soil Loss Equation (USLE) and conducted a soil erosion contribution analysis. The land use data were interpreted from Landsat series images, and soil properties were obtained from field sampling, laboratory tests and SPAW (Soil-Plant-Atmosphere-Water) model calculations. Over a long period of agricultural development, the average erosion modulus decreased from 187.7tkm-2a-1 in 1979 to 158.4tkm-2a-1 in 2014. The land use types were transformed mainly in the reclamation of paddy fields and the shrinking of wetlands on a large scale. Most of the soils were converted to loam from silty or clay loam and the saturated hydraulic conductivity (Ks) of most soil types decreased by 1.11% to 43.6%. The rapidly increasing area of 49.8km2 of paddy fields together with the moderate decrease of 14.0km2 of forests, as well as Ks values explained 87.4% of the total variance in soil erosion. Although changes in soil physical and water characteristics indicated that soil erosion loads should have become higher, the upsurge in paddy fields played an important role in mitigating soil erosion in this study area. These results demonstrated that land use changes had more significant impacts than soil property changes on soil erosion. This study suggested that rational measures should be taken to extend paddy fields and control the dry land farming. These findings will benefit watershed agricultural targeting and management.
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Affiliation(s)
- Wei Ouyang
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China.
| | - Yuyang Wu
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
| | - Zengchao Hao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
| | - Qi Zhang
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
| | - Qingwei Bu
- Water Resources Research Institute of Shandong Province, Jinan 250013, PR China
| | - Xiang Gao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, PR China
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29
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Gao X, Hao Z, Xu L, Zhang J, Han F. The cranialfacial feature of catathrenia (nocturnal groaning): comparing with normal values and osas. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Xu X, Kong L, Song X, Hao Z, Yuan F. Effect of Cdc42 on myocardial ischemia-reperfusion of rats. ACTA ACUST UNITED AC 2017; 63:31-34. [PMID: 28838336 DOI: 10.14715/cmb/2017.63.7.5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Indexed: 11/18/2022]
Abstract
To investigate the effects and their possible mechanisms of cell division cycle 42 (Cdc42) to neonatal rat myocardial cells subjected to the ischemia-repefusion. Neonatal rat cardiomyocytes were cultured and then subjected to the ischemia-reperfusion. Experimental groups 1. Control group; 2. Ischemia-repefusion group (I/R group); 3. Oligofectamine group (Oli group); 4. Oligofectamine and antisense oligodeoxynucleotide (AS-ODN) group (As group); 5. Oligofectamine and missense oligodeoxynucleotide (MS-ODN) group (Ms group); 6. SP600125 and Oligofectamine and AS-ODN group (SP600125/As group); 7. SP600125 and Oligofectamine and MS-ODN group (SP600125/Ms group). The cardiacmyocyte apoptosis rate was detected by AnnexinV/PI with flow cytometry. Cdc42, JNK, p-JNK, Bax and Bcl-2 were detected by western blot. In comparison with control group, Cdc42, the cardiacmyocyte apoptosis rate and phosphorylation of JNK were increased and the ratio of Bcl-2/Bax was reduced in the I/R group; Cdc42, the cardiacmyocyte apoptosis rate and phosphorylation of JNK in As group was lower than the I/R group, Oli group and the Ms group, and the ratio of Bcl-2/Bax was the highest in the four groups; Cdc42, cardiacmyocyte apoptosis rate, phosphorylation of JNK and the ratio of Bcl-2/Bax showed no differences in the I/R group, Oli group and the Ms group. Compared with As group, phosphorylation of JNK was lower in the SP600125/As group, phosphorylation of JNK in SP600125/Ms group was lower than the Ms group, and it showed no differences between the SP600125 & As group and the SP600125 & Ms group. Cdc42 in myocardial I/R can promote cardiacmyocyte apoptosis rate. AS-ODN of Cdc42 can decrease the cardiacmyocyte apoptosis rate in I/R. Cdc42 may played a role in myocardial I/R via JNK , Bcl-2 and Bax signal pathway.
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Affiliation(s)
- X Xu
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, 221006, China
| | - L Kong
- Department of Nephrology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, 221006, China
| | - X Song
- Department of Cardiology, Shengli Oilfield Central Hospital, Dongying, 257034, China
| | - Z Hao
- Department of Cardiology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou, 221006, China
| | - F Yuan
- Department of internal medicine, Nanjing Medical University, Jiangning Campus, Nanjing, 10000, China
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31
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Qiu M, Hao Z, Zhang R, Cui L, Wang C, Qu S, Yuan S, Bai Y. Plasma pharmacokinetics of quinocetone in ducks after oral and intravenous administration. J Vet Pharmacol Ther 2017; 41:142-147. [PMID: 28730638 DOI: 10.1111/jvp.12426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 05/08/2017] [Indexed: 11/30/2022]
Abstract
Quinocetone (QCT), an antimicrobial growth promoter, is widely used in food-producing animals. However, information about pharmacokinetics (PK) of QCT in ducks still remains unavailable up to now. In this study, QCT and its major metabolites (1-desoxyquinocetone, di-desoxyquinocetone and 3-methyl-quinoxaline-2-carboxylic) in ducks were studied using a simple and sensitive UHPLC-MS/MS assay. Twenty ducks were divided into two groups. (n = 10/group). One group received QCT by oral administration at dose of 40 mg/kg while another group received QCT intravenously at 10 mg/kg. Plasma samples were collected at various time points from 0 to 96 hr. QCT and its major metabolites in duck plasma samples were extracted by 1 ml acetonitrile and detected by UHPLC-MS/MS, with the gradient mobile phase that consisted of 0.1% formic acid in water (A) and acetonitrile (B). A noncompartment analysis was used to calculate the PK parameters. The results showed that following oral dosing, the peak plasma concentration (Cmax ) of QCT was 32.14 ng/ml and the area under the curve (AUCINF_obs) was 233.63 (h ng)/ ml. Following intravenous dosing, the Cmax , AUCINF_obs and Vss_obs were 96.70 ng/ml, 152.34 (h ng)/ ml and 807.00 L/kg, respectively. These data indicated that the QCT was less absorbed in vivo following oral administration, with low bioavailability (38.43%). QCT and its major metabolites such as 1-desoxyquinocetone and 3-methyl-quinoxaline-2-carboxylic were detected at individual time points in individual ducks, while the di-desoxyquinocetone was not detected in all time points in all ducks. This study enriches basic scientific data about pharmacokinetics of QCT in ducks after oral and intravenous administration and will be beneficial for clinical application in ducks.
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Affiliation(s)
- M Qiu
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - Z Hao
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - R Zhang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - L Cui
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - C Wang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - S Qu
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - S Yuan
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
| | - Y Bai
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.,National - Local Joint Engineering Laboratory of Agricultural Bio-pharmaceutical Technology, Qingdao, China
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Zhang J, Chen Z, Xie L, Zhao C, Zhao H, Fu C, Chen G, Hao Z, Wang L, Li W. Treatment of a subdural empyema complicated by intracerebral abscess due to Brucella infection. ACTA ACUST UNITED AC 2017; 50:e5712. [PMID: 28380194 PMCID: PMC5423737 DOI: 10.1590/1414-431x20165712] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 12/20/2016] [Indexed: 01/14/2023]
Abstract
A 55-year-old male presented with fever, stupor, aphasia, and left hemiparesis. A history of head trauma 3 months before was also reported. Cranial magnetic resonance imaging revealed slight contrast enhancement of lesions under the right frontal skull plate and right frontal lobe. Because of deterioration in nutritional status and intracranial hypertension, the patient was prepared for burr hole surgery. A subdural empyema (SDE) recurred after simple drainage. After detection of Brucella species in SDE, craniotomy combined with antibiotic treatment was undertaken. The patient received antibiotic therapy for 6 months (two doses of 2 g ceftriaxone, two doses of 100 mg doxycycline, and 700 mg rifapentine for 6 months) that resulted in complete cure of the infection. Thus, it was speculated that the preexisting subdural hematoma was formed after head trauma, which was followed by a hematogenous infection caused by Brucella species.
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Affiliation(s)
- J Zhang
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - Z Chen
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - L Xie
- Department of Vascular Surgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - C Zhao
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - H Zhao
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - C Fu
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - G Chen
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - Z Hao
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - L Wang
- Department of Pathology, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
| | - W Li
- Department of Clinical Laboratory, China-Japan Union Hospital, Jilin University, Changchun, Jilin Province, China
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Gao X, Ouyang W, Hao Z, Shi Y, Wei P, Hao F. Farmland-atmosphere feedbacks amplify decreases in diffuse nitrogen pollution in a freeze-thaw agricultural area under climate warming conditions. Sci Total Environ 2017; 579:484-494. [PMID: 27871754 DOI: 10.1016/j.scitotenv.2016.11.070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/27/2016] [Accepted: 11/11/2016] [Indexed: 06/06/2023]
Abstract
Although climate warming and agricultural land use changes are two of the primary instigators of increased diffuse pollution, they are usually considered separately or additively. This likely lead to poor decisions regarding climate adaptation. Climate warming and farmland responses have synergistic consequences for diffuse nitrogen pollution, which are hypothesized to present different spatio-temporal patterns. In this study, we propose a modeling framework to simulate the synergistic impacts of climate warming and warming-induced farmland shifts on diffuse pollution. Active accumulated temperature response for latitudinal and altitudinal directions was predicted based on a simple agro-climate model under different temperature increments (△T0 is from 0.8°C to 1.4°C at an interval of 0.2°C). Spatial distributions of dryland shift to paddy land were determined by considering accumulated temperature. Different temperature increments and crop distributions were inserted into Soil and Water Assessment Tool model, which quantified the spatio-temporal changes of nitrogen. Warming led to a decrease of the annual total nitrogen loading (2.6%-14.2%) in the low latitudes compared with baseline, which was larger than the decrease (0.8%-6.2%) in the high latitudes. The synergistic impacts amplified the decrease of the loading in the low and high latitudes at the sub-basin scale. Warming led to a decrease of the loading at a rate of 0.35kg/ha/°C, which was lower than the synergistic impacts (3.67kg/ha/°C) at the watershed level. However, warming led to the slight increase of the annual averaged NO3 (LAT) (0.16kg/ha/°C), which was amplified by the synergistic impacts (0.22kg/ha/°C). Expansion of paddy fields led to a decrease in the monthly total nitrogen loading throughout the year, but amplified an increase in the loading in August and September. The decreased response in spatio-temporal nitrogen patterns is substantially amplified by farmland-atmosphere feedbacks associated with farmland shifts in response to warming.
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Affiliation(s)
- Xiang Gao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Wei Ouyang
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China.
| | - Zengchao Hao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Yandan Shi
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Peng Wei
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
| | - Fanghua Hao
- School of Environment, State Key Laboratory of Water Environment Simulation, Beijing Normal University, Beijing 100875, China
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Hao Z, Mumphrey MB, Morrison CD, Münzberg H, Ye J, Berthoud HR. Does gastric bypass surgery change body weight set point? Int J Obes Suppl 2016; 6:S37-S43. [PMID: 28685029 DOI: 10.1038/ijosup.2016.9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The relatively stable body weight during adulthood is attributed to a homeostatic regulatory mechanism residing in the brain which uses feedback from the body to control energy intake and expenditure. This mechanism guarantees that if perturbed up or down by design, body weight will return to pre-perturbation levels, defined as the defended level or set point. The fact that weight re-gain is common after dieting suggests that obese subjects defend a higher level of body weight. Thus, the set point for body weight is flexible and likely determined by the complex interaction of genetic, epigenetic and environmental factors. Unlike dieting, bariatric surgery does a much better job in producing sustained suppression of food intake and body weight, and an intensive search for the underlying mechanisms has started. Although one explanation for this lasting effect of particularly Roux-en-Y gastric bypass surgery (RYGB) is simple physical restriction due to the invasive surgery, a more exciting explanation is that the surgery physiologically reprograms the body weight defense mechanism. In this non-systematic review, we present behavioral evidence from our own and other studies that defended body weight is lowered after RYGB and sleeve gastrectomy. After these surgeries, rodents return to their preferred lower body weight if over- or underfed for a period of time, and the ability to drastically increase food intake during the anabolic phase strongly argues against the physical restriction hypothesis. However, the underlying mechanisms remain obscure. Although the mechanism involves central leptin and melanocortin signaling pathways, other peripheral signals such as gut hormones and their neural effector pathways likely contribute. Future research using both targeted and non-targeted 'omics' techniques in both humans and rodents as well as modern, genetically targeted, neuronal manipulation techniques in rodents will be necessary.
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Affiliation(s)
- Z Hao
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
| | - M B Mumphrey
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
| | - C D Morrison
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
| | - H Münzberg
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
| | - J Ye
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
| | - H R Berthoud
- Neurobiology of Nutrition and Metabolism Department, Pennington Biomedical Research Center Louisiana State University System, Baton Rouge, LA, USA
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Wang HP, Wang X, Gong LF, Chen WJ, Hao Z, Feng SW, Wu YB, Ye T, Cai YK. Nox1 promotes colon cancer cell metastasis via activation of the ADAM17 pathway. Eur Rev Med Pharmacol Sci 2016; 20:4474-4481. [PMID: 27874952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE Reactive oxygen species (ROS) generated by endogenous metabolic enzymes are involved in a variety of pathology processes, including cancer. In particular, superoxide-generating NADPH oxidase 1 (Nox1), a member of Nox enzyme family, is highly expressed in the colon tissue and has been implicated in physiological and pathophysiological states of colon cancer. However, the underlying molecular mechanism of Nox1 in the regulation of colon cancer progression remains largely unknown. MATERIALS AND METHODS In vitro scratch wound healing and invasion assays were used to compare the migration and invasion abilities of HT29 cells in which Nox1 protein levels were manipulated. Western blot assay was performed to detect the expression of key proteins of the EGFR-PI3K-AKT signaling pathway. Immunoprecipitation assay was performed to detect the interaction between Nox1 and ADAM17. RESULTS Nox1 overexpression promoted colon cancer cell growth, migration, and invasion through the EGFR-PI3K-AKT signaling pathway. At the molecular level, Nox1 regulated the expression of tumor necrosis factor-α (TNF-α) converting enzyme (TACE)/a disintegrin and metalloprotease domain 17 (ADAM17). Furthermore, Nox1 interacted with and stabilized ADAM17 from ubiquitin-mediated degradation, leading to the activation of the ADAM17 signaling pathway. CONCLUSIONS This study suggests that Nox1 promotes colorectal cancer metastasis by modulating the stability of ADAM17.
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Affiliation(s)
- H-P Wang
- Department of General Surgery, Shanghai Fifth People Hospital Affiliated to Fudan University, Shanghai, China.
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Hao Z, Liu Y, Liao H, Zheng D, Xiao C, Li G. Atorvastatin Plus Metformin Confer Additive Benefits on Subjects with Dyslipidemia and Overweight/Obese via Reducing ROCK2 Concentration. Exp Clin Endocrinol Diabetes 2016; 124:246-50. [PMID: 27123784 DOI: 10.1055/s-0035-1569364] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Z. Hao
- The Third People’s Hospital of Huizhou, Huizhou, Guangdong Province, China
| | - Y. Liu
- The Third People’s Hospital of Huizhou, Huizhou, Guangdong Province, China
| | - H. Liao
- The Third People’s Hospital of Huizhou, Huizhou, Guangdong Province, China
| | - D. Zheng
- The Eastern Hospital of the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - C. Xiao
- The Third People’s Hospital of Huizhou, Huizhou, Guangdong Province, China
| | - G. Li
- The Third People’s Hospital of Huizhou, Huizhou, Guangdong Province, China
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38
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Mu Y, Wang Y, Li M, Hu Y, Hao Z. Comparison of efficacy of different embolic agents on uterine leiomyoma. CLIN EXP OBSTET GYN 2016; 43:114-118. [PMID: 27048030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The aim of this study was to explore the efficacies, postoperative side effects, and complications of uterine artery embolization (UAE) treatments for uterine leiomyoma (UL) with different embolic agents. The study included 107 patients with UL that were treated with UAE with polyvinyl alcohol (PVA group) or pingyangmycin lipiodol emulsion and silk-segment (PLES group). Six months later, the improvement rate of anaemia, the menstrual improvement rate, the incidence rate of fever, the disappearance rates of compression symptoms and abdominal symptoms in the PVA group were 93.8%, 94.7%, 22.0%, 60.0%, and 88.9%, respectively, which showed no significant difference from those in the PLES group (90.5%, 92.3%, 84.8%, 53.3%, and 8 1.3%, respectively). The incidence rate of fever after embolization in PVA group was significantly lower than that in PLES group (c² = 41.958, p = 0.000). However, the efficacy, improvement rate of symptoms, and postoperative side effects of two groups showed no significant difference (p > 0.05). PVA and PLES have significant efficacy for UAE treatment on patients with UL.
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Hao Z, Liu Y, Li Y, Song W, Yu J, Li H, Wang W. Association between Longevity and Element Levels in Food and Drinking Water of Typical Chinese Longevity Area. J Nutr Health Aging 2016; 20:897-903. [PMID: 27791219 DOI: 10.1007/s12603-016-0690-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVES To carrying out an integrated analysis on regional environment and human health in China and to detect the association between longevity and daily element intake from food and drinking water. DESIGN Cross-sectional study. SETTING All the 18 cities and counties in Hainan Province. MEASUREMENTS The distribution of elderly population and longevity indexes at a county level in Hainan Province were investigated. Quality of food and drinking water in Hainan was evaluated by comparing the chemical elements with National Standards. In addition, the association between element concentrations in food and water and longevity was examined using spearman's rank correlation. RESULTS The proportion of elderly people is higher in the northern part of the province compared with southern counties. Food contributes a greater proportion of daily element intake than drinking water. Compared with the National Standards, reaching rates for elements were over 85% for both food and drinking water. There was a positive correlation between daily intake of Cu, Se, and Zn from food and water and aging and longevity indexes, and a negative correlation between Pb intake and these indexes. CONCLUSION The quality of food and water in Hainan Province are good and that, compared with water, food is a more important source of trace elements. An appropriate supply of Cu, Se, and Zn is important, whereas excessive intake of Pb should be avoided. The findings also provide basic data to support further studies on regional variations in longevity and their relationship to diet and drinking water.
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Affiliation(s)
- Z Hao
- YH. Li, Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China, Telephone: +86-10-64889198; Fax: +86-10-64856504; E-mail:
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Tan G, Lei C, Hao Z, Chen Y, Yuan R, Liu M. Liver function may play an uneven role in haemorrhagic transformation for stroke subtypes after acute ischaemic stroke. Eur J Neurol 2015; 23:597-604. [PMID: 26589370 DOI: 10.1111/ene.12904] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/01/2015] [Indexed: 02/05/2023]
Affiliation(s)
- G. Tan
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
| | - C. Lei
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
| | - Z. Hao
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
| | - Y. Chen
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
| | - R. Yuan
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
| | - M. Liu
- Stroke Clinical Research Unit Department of Neurology West China Hospital Sichuan University Chengdu China
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Zhao J, Colton L, Hao Z, Wang S, Ye P, Ferguson C, Dasher B, Patel V, Kong F. Small Cell Versus Non-Small Cell Lung Cancer: Survival Difference in 1428 Patients From a Single-Institution. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Nayak A, Hao Z, Sadek R, Dobbins R, Marshall L, Vahanian N, Ramsey J, Kennedy E, Mautino M, Link C, Lin R, Royer-Joo S, Morrissey K, Mahrus S, McCall B, Pirzkall A, Munn D, Janik J, Khleif S. 346 Phase 1a study of the safety, pharmacokinetics, and pharmacodynamics of GDC-0919 in patients with recurrent/advanced solid tumors. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30209-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Chen S, Liu W, Zhan Y, Xu R, Hao Z, Liu J. Dietary Cholesterol Protects Anesthesia-Induced Cognitive Deficits in Wistar Rats. TROP J PHARM RES 2015. [DOI: 10.4314/tjpr.v14i6.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Li X, Li J, Wang L, Niu X, Hou R, Liu R, Hao Z, Wang C, Yin G, Zhang K. Transmission of psoriasis by allogeneic bone marrow transplantation and blood transfusion. Blood Cancer J 2015; 5:e288. [PMID: 25768402 PMCID: PMC4382657 DOI: 10.1038/bcj.2015.15] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- X Li
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - J Li
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - L Wang
- Department of Dermatology, Shanxi Academy of Medical Sciences, Taiyuan, China
| | - X Niu
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - R Hou
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - R Liu
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - Z Hao
- Department of Dermatology, General Hospital of TISCO, Taiyuan, China
| | - C Wang
- Laboratory Animal Center, Shanxi Medical University, Taiyuan, China
| | - G Yin
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
| | - K Zhang
- Institute of Dermatology, Taiyuan City Centre Hospital, Taiyuan, China
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Weijun F, Hao Z, Wan C, Han Q, Ze S, Xin L. Comparison of the gallbladder damage caused by microwave ablation and cryoablation in vivo porcine livers. Indian J Cancer 2015; 52 Suppl 2:e84-90. [DOI: 10.4103/0019-509x.172520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Thomas M, Schneller F, Sadjadian P, Hao Z, Mattson P, Lowe J, Huhn R, Braun A, Taitt C. Safety of Imprime PGG, A Novel Innate Immune Modulator, in Adults with Stage IV Non-Small Cell Lung Cancer (NSCLC). Ann Oncol 2014. [DOI: 10.1093/annonc/mdu467.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Zhao J, Al-Basheer A, Dasher B, Frank M, Hao Z, Howington J, Howington J, Kaminski J, Stewart J, Ye P, Kong F. Peripheral White Blood Cell Counts May Be a Significant Factor for Overall Survival in Non-Small Cell Lung Cancer Patients Treated With Radiation Therapy. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.08.140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Barton M, Allen S, Delaney G, Hudson H, Hao Z, Allison R, van der Linden Y. Patterns of Retreatment by Radiotherapy. Clin Oncol (R Coll Radiol) 2014; 26:611-8. [DOI: 10.1016/j.clon.2014.03.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 03/03/2014] [Accepted: 03/04/2014] [Indexed: 01/01/2023]
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Abstract
Drought is by far the most costly natural disaster that can lead to widespread impacts, including water and food crises. Here we present data sets available from the Global Integrated Drought Monitoring and Prediction System (GIDMaPS), which provides drought information based on multiple drought indicators. The system provides meteorological and agricultural drought information based on multiple satellite-, and model-based precipitation and soil moisture data sets. GIDMaPS includes a near real-time monitoring component and a seasonal probabilistic prediction module. The data sets include historical drought severity data from the monitoring component, and probabilistic seasonal forecasts from the prediction module. The probabilistic forecasts provide essential information for early warning, taking preventive measures, and planning mitigation strategies. GIDMaPS data sets are a significant extension to current capabilities and data sets for global drought assessment and early warning. The presented data sets would be instrumental in reducing drought impacts especially in developing countries. Our results indicate that GIDMaPS data sets reliably captured several major droughts from across the globe.
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Affiliation(s)
- Zengchao Hao
- University of California, Irvine, E4130 Engineering Gateway Irvine, Irvine, CA 92697-2175, USA
| | - Amir AghaKouchak
- University of California, Irvine, E4130 Engineering Gateway Irvine, Irvine, CA 92697-2175, USA
| | - Navid Nakhjiri
- University of California, Irvine, E4130 Engineering Gateway Irvine, Irvine, CA 92697-2175, USA
| | - Alireza Farahmand
- University of California, Irvine, E4130 Engineering Gateway Irvine, Irvine, CA 92697-2175, USA
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